SMPTE ST 12-1:2014
- Time and Control Code
- standard by Society of Motion Picture and Television Engineers,
- Category: SMPTE
$175.00
$88.00
This standard defines primary data transport structures for Linear Time Code (LTC) and Vertical Interval Time Code (VITC). This standard defines the LTC modulation and timing for all video formats. This standard also defines the VITC modulation and location for 525/59.94 and 625/50 analog composite and component systems only.
Note: The digital representation of analog VITC (D-VITC) is specified in SMPTE ST 266 and is defined for 525/59.94 and 625/50 digital component systems only. High Definition formats, such as those documented in SMPTE ST 2048-2, SMPTE ST 274, and SMPTE ST 296, use Ancillary Time Code (ATC) as specified in SMPTE ST 12-2 (formerly SMPTE RP 188) for transport of time code in the digital video data stream. For future implementations of time code for digital Standard Definition formats, the use of ATC rather than D-VITC is encouraged.
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